<template>
    <div class="f-menu" :style="{ width: $store.state.asideWidth }">
        <el-menu unique-opened :default-active="defaultActive" class="border-0" @select="handleSelect" :collapse="isCollapse"
            :collapse-transition="false" >
            <template v-for="(item, index) in asideMenus" :key="index">
                <el-sub-menu v-if="item.child && item.child.length > 0" :index="item.name">
                    <template #title>
                        <el-icon>
                            <component :is="item.icon"></component>
                        </el-icon>
                        <span>{{ item.name }}</span>
                    </template>
                    <el-menu-item v-for="(item2, index2) in item.child" :key="index2" :index="item2.frontpath">
                        <template #title>
                            <el-icon>
                                <component :is="item2.icon"></component>
                            </el-icon>
                            <span>{{ item2.name }}</span>
                        </template>
                    </el-menu-item>
                </el-sub-menu>

                <el-sub-menu v-else :index="item.frontpath">
                    <el-icon>
                        <component :is="item.frontpath"></component>
                    </el-icon>
                    <span>{{ item.name }}</span>
                </el-sub-menu>
            </template>
        </el-menu>
    </div>
</template>

<script setup>
import { useRouter ,useRoute ,onBeforeRouteUpdate} from 'vue-router';
import { computed , ref} from 'vue';
import { useStore } from 'vuex';

const router = useRouter();
const route = useRoute();
const store = useStore();
const asideMenus = computed(() => store.state.menus);
//默认选中
const defaultActive = ref(route.path);
//监听路由变化
onBeforeRouteUpdate((to,from) => {
    defaultActive.value = to.path;
})
//是否折叠
const isCollapse = computed(() => !(store.state.asideWidth == '250px'))
function handleSelect(e) {
    router.push(e)
}

</script>

<style>
.f-menu {
    transition: all 0.3s;
    top: 64px;
    bottom: 0;
    left: 0;
    overflow-y: auto;
    overflow-x: hidden;
    @apply shadow-md fixed bg-light-50;
}
.f-menu::-webkit-scrollbar{
    width: 0;
}
</style>